21 Ari

21 Ari

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21 Ari is a F-type (Yellow-White) star. It carries the designation 21 Ari.

Located approximately 166.6 light-years from Earth, 21 Ari resides within the broader disk of our Milky Way galaxy.

21 Ari is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.57, 21 Ari sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its white hue, which corresponds to a B-V color index of +0.520.

Физические свойства

Спектральный класс F Class F — F-type (Yellow-White)
Показатель цвета (B−V) 0,520

Наблюдение

Видимая звёздная величина +5.57
Абсолютная звёздная величина 2,03
Расстояние 167 ly

Положение

Прямое восхождение 2h 15,71m
Склонение 25° 2,58′

Frequently Asked Questions

What type of star is 21 Ari?
21 Ari is a Class F — F-type (Yellow-White) star.
How far is 21 Ari from Earth?
21 Ari is approximately 166.6 light-years from Earth.
Can you see 21 Ari with the naked eye?
With an apparent magnitude of 5.57, 21 Ari is visible to the naked eye.